EKRA E4 Screenprinter

EKRA E4

  • 2.5D Inspection
  • Auto Stencil Cleaner with Vacuum
  • Two Squeegee Blades
  • Two Support Bars
  • Ten Support Pins
  • Specifications:
  • Max Board Size: 350mm x 350mm
  • Max Print Area: 350mm x 350mm

PCB clearance top and bottom side 2.5 mm, needed for PCB transport & clamping
0 mm for top side using side clamping

PCB transport height 830 – 950mm
PCB support magnetic support pins and bars,
optional:dedicated workholder universal printnest

PCB hold down PCB clamping with knife edge from top
or side clamping, optional: vacuumnest

PCB transport direction left-> right, right–> left, left-> left, right–> right,

Conveyor configuration front or rear fix
PCB transport width adjustment motorised, software controlled
PCB warpage 1% of PCB diagonally, up to a max. of
11 mm including PCB thickness

Stencil size 300 x 300 mm, up to, 737 x 737 mm
Frame thickness 25 – 40 mm, adjustable without adapter single
Number transport system single

***Print parameter
Print area max.: 350 x 350 mm
Print speed 5 – 199 mm / sec.
Print head two independent pneumatic printheads, closed loop system,
self leveling squeegees
Print pressure 0 – 240 N
Snap-off speed 0,2 – 10 mm / sec.
Snap-off distance 0 – 3 mm
Snap-off -2 – +6 mm
PCB alignment x/y: ±4mm, Theta: ±2°

***Vision System
Fiducials 2 – 4 fiducials or any shape on PCB Layout
Fiducial size 0,7 – 3 mm2
Camera EVA™ Vision system with 2 CCD Cameras
Camera field of view 10 x 8 mm
Fiducial position inside print area
Fiducial Teach Patented teach in method

***Performance
Alignment repeatability 12,5 µm at 6 Sigma
Alignment accuracy 25 µm at 6 Sigma
Cycle time < 12 sec. plus print
Set-Up < 5 min.
Product changeover < 3 min.

***General Data
Power requirements 110/230 V 50/60 Hz, 1 KW
Air supply requirements 4 – 6 bar, with vaccuum cleaning 5,5 l/sec

***Dimensions
Width 975 mm
Depth 1200 mm
Height 1400 mm
Weight 600 kg appr.